Initialization Pulse Adjust - Panasonic TH-50PF10UK Service Manual

9.1.2.

Initialization Pulse Adjust

1. Set Aging pattern (white pattern signal) by IIC mode.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
3. Connect Oscilloscope to TPSC1 (T2) and sdjust VR6602 for 160 ± 10µ Sec.
9.1.3. P.C.B. (Print Circuit Board) Replacement
9.1.3.1. Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
9.1.3.2. Quick adjustment after P.C.B. Replacement
Adjust the following voltages with the multimeter.
P.C.B.
P Board
SC Board
SS Board
D, DS Board
DN Board
*See the Panel label.
Caution
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
Test Point
T2 TPSC1 (SC)
Name Test Point
Vsus TPVSUS
Vad TPVAD
Vscn TPVSCN
Vset TPVSET
Ve TPVE
Vda TPVDA
White balance, and Sub brightness for NTSC, PAL, HD, PC and 625i signals
Set Market Select Number to correct destination by Ms mode (See chap. 6.1.4)
Volume Level
VR6602 (SC) 160 ± 10µ Sec
Voltage Volume
Vsus ± 2V VR251 (P)
-90V ± 1V VR6600 (SC)
Vad + 140V ± 4V Fixed
240V ± 7V Fixed
Ve ± 1V VR6000 (SS)
75V + 1V, -3V Fixed
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TH-50PF10UK
Remarks
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